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A pronton captures a free electron whos...

A pronton captures a free electron whose K.E. is zero & from a hydrogen atom of lowest energy-level
(n=1) . If a photons is emitted in the process, what will be the wavelenght of radiation ? In which region
of electromagetic spectrum, will this radiation fall ? (Inoisation potential of hydrogen =13.6volt,
`(h=6.6xx10^(-34)K//S,C=3.0xx10^(8)m//s)`

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